I'm doing a Motown gig now and we gig a lot...some with backline, but for those gigs that I have to lug a kit, I bought these...Nice little kit. I mount an AKG D112 in the 18" kick with a Kelly SHU composite. I mounted a panel connector on the shell....works great.

One sound guy plugged right in and it sounded great...another sound guy chose to mic my kick at the 2" port with a Shure Beta 52, sounded great too!